Is the SonicWall Email Security 400 end of life?

Yes. The SonicWall SonicWall Email Security 400 has reached end of life. Vendor support ended on 2015-01-01.

When does SonicWall support end for the SonicWall Email Security 400?

SonicWall support for the SonicWall Email Security 400 ended on 2015-01-01.

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SonicWall Email Security 400

Name: SonicWall Email Security 400
Brand: SonicWall
SKU: Email-Security-400
Availability: Discontinued

SKU Email-Security-400

SonicWall Appliance · EMAIL SECURITY Series

SonicWall Email Security 400 has reached end of life. SonicWall support ended 2015-01-01.

SonicWall Email Security 400 Lifecycle Overview

The SonicWall SonicWall Email Security 400 (Email-Security-400) is a appliance product in the SonicWall EMAIL SECURITY series. This product has reached end of life as of 2015-01-01, meaning SonicWall no longer provides technical support, software updates, or hardware replacement for this product. Organizations still running the SonicWall Email Security 400 should plan a migration .

Lifecycle Milestones

End of software maintenance	2012-10-15
Last date of support	2015-01-01

Applicable Platforms

Email Security

Source: Official SonicWall notice · Last verified 2026-04-14